NAICS 212312: Crushed and Broken Limestone Mining and Quarrying
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa) and (2) preparation plants primarily engaged in beneficiating limestone (e.g., grinding or pulverizing).

ExioML sector: Stone
Region: US | Year: 2022
Sector value added: 15846.106655 M EUR | Employment: 29.2913194696 thousand persons
Sector GHG emissions: 17007994636.4 kg CO2 eq | Energy carrier net total: 121316.787437 TJ | Carbon intensity: 1.0733232463151057

Company: Martin Marietta Materials Inc
About Martin Marietta A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of building materials - including aggregates, cement, ready mixed concrete and asphalt.